EP 1464871 A1 20041006 - Two-arm belt tensioner
Title (en)
Two-arm belt tensioner
Title (de)
Zweiarmiger Riemenspanner
Title (fr)
Tendeur de courroie à deux bras
Publication
Application
Priority
EP 03425203 A 20030402
Abstract (en)
In a belt drive (1) of an internal combustion engine (3), a two-arm belt tensioner (16) has a fixed tubular supporting portion (20); a first (24) and a second (23) arm fitted to the tubular supporting portion (20) to rotate about a common hinge axis (21), and supporting respective idle wheels (25)(26) cooperating with respective branches (12)(13) of the drive belt (11); and an elastic device (33) for forcing the arms (23)(24) towards each other; the elastic device (33) having a torsionally elastic elongated member (34) extending through the tubular supporting portion (20), coaxially with the hinge axis (21), and having respective opposite end portions (37) (38) projecting outwards of the tubular supporting portion (20); the end portions (37)(38) being fitted with respective end caps (40) (41), one of which is fitted directly with one of the arms (23)(24), and houses one end, connected integrally to the other cap, of the other arm. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP US)
F02B 67/06 (2013.01 - EP US); F16H 7/1281 (2013.01 - EP US); F16H 2007/081 (2013.01 - EP US); F16H 2007/0819 (2013.01 - EP US); F16H 2007/0874 (2013.01 - EP US)
Citation (search report)
- [A] DE 3912944 A1 19900920 - MUHR & BENDER [DE]
- [A] US 4069719 A 19780124 - CANCILLA PHILIP S
- [A] WO 0229279 A2 20020411 - GATES CORP [US]
- [A] DE 19926615 A1 20001214 - SCHAEFFLER WAELZLAGER OHG [DE]
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 1464871 A1 20041006; EP 1464871 B1 20080528; DE 60321308 D1 20080710; ES 2306849 T3 20081116; JP 2006523289 A 20061012; JP 4657200 B2 20110323; US 2007037648 A1 20070215; US 7468013 B2 20081223; WO 2004088171 A1 20041014
DOCDB simple family (application)
EP 03425203 A 20030402; DE 60321308 T 20030402; EP 2004050420 W 20040401; ES 03425203 T 20030402; JP 2006505513 A 20040401; US 55109704 A 20040401